Merge branch 'develop' into feature/tag_feed

lib/pleroma/plugs/user_is_admin_plug.ex

@@ -23,6 +23,7 @@ defmodule Pleroma.Plugs.UserIsAdminPlug do
       token && OAuth.Scopes.contains_admin_scopes?(token.scopes) ->
         # Note: checking for _any_ admin scope presence, not necessarily fitting requested action.
         #   Thus, controller must explicitly invoke OAuthScopesPlug to verify scope requirements.
+        #   Admin might opt out of admin scope for some apps to block any admin actions from them.
         conn
 
       true ->

lib/pleroma/user.ex

@@ -1874,22 +1874,13 @@ defmodule Pleroma.User do
   end
 
   def admin_api_update(user, params) do
-    changeset =
-      cast(user, params, [
-        :is_moderator,
-        :is_admin,
-        :show_role
-      ])
-
-    with {:ok, updated_user} <- update_and_set_cache(changeset) do
-      if user.is_admin != updated_user.is_admin do
-        # Admin status change results in change of accessible OAuth scopes, and instead of changing
-        #   already issued tokens we revoke them, requiring user to sign in again
-        global_sign_out(user)
-      end
-
-      {:ok, updated_user}
-    end
+    user
+    |> cast(params, [
+      :is_moderator,
+      :is_admin,
+      :show_role
+    ])
+    |> update_and_set_cache()
   end
 
   @doc "Signs user out of all applications"

lib/pleroma/web/admin_api/admin_api_controller.ex

@@ -32,19 +32,14 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   plug(
     OAuthScopesPlug,
     %{scopes: ["read:accounts"], admin: true}
-    when action in [:list_users, :user_show, :right_get, :invites]
+    when action in [:list_users, :user_show, :right_get]
   )
 
   plug(
     OAuthScopesPlug,
     %{scopes: ["write:accounts"], admin: true}
     when action in [
-           :get_invite_token,
-           :revoke_invite,
-           :email_invite,
            :get_password_reset,
-           :user_follow,
-           :user_unfollow,
            :user_delete,
            :users_create,
            :user_toggle_activation,
@@ -57,6 +52,20 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
          ]
   )
 
+  plug(OAuthScopesPlug, %{scopes: ["read:invites"], admin: true} when action == :invites)
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["write:invites"], admin: true}
+    when action in [:create_invite_token, :revoke_invite, :email_invite]
+  )
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["write:follows"], admin: true}
+    when action in [:user_follow, :user_unfollow, :relay_follow, :relay_unfollow]
+  )
+
   plug(
     OAuthScopesPlug,
     %{scopes: ["read:reports"], admin: true}
@@ -90,7 +99,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   plug(
     OAuthScopesPlug,
     %{scopes: ["write"], admin: true}
-    when action in [:relay_follow, :relay_unfollow, :config_update]
+    when action == :config_update
   )
 
   @users_page_size 50

lib/pleroma/web/oauth/oauth_controller.ex

@@ -222,7 +222,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
          {:user_active, true} <- {:user_active, !user.deactivated},
          {:password_reset_pending, false} <-
            {:password_reset_pending, user.password_reset_pending},
-         {:ok, scopes} <- validate_scopes(app, params, user),
+         {:ok, scopes} <- validate_scopes(app, params),
          {:ok, auth} <- Authorization.create_authorization(app, user, scopes),
          {:ok, token} <- Token.exchange_token(app, auth) do
       json(conn, Token.Response.build(user, token))
@@ -471,7 +471,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
            {:get_user, (user && {:ok, user}) || Authenticator.get_user(conn)},
          %App{} = app <- Repo.get_by(App, client_id: client_id),
          true <- redirect_uri in String.split(app.redirect_uris),
-         {:ok, scopes} <- validate_scopes(app, auth_attrs, user),
+         {:ok, scopes} <- validate_scopes(app, auth_attrs),
          {:auth_active, true} <- {:auth_active, User.auth_active?(user)} do
       Authorization.create_authorization(app, user, scopes)
     end
@@ -487,12 +487,12 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   defp put_session_registration_id(%Plug.Conn{} = conn, registration_id),
     do: put_session(conn, :registration_id, registration_id)
 
-  @spec validate_scopes(App.t(), map(), User.t()) ::
+  @spec validate_scopes(App.t(), map()) ::
           {:ok, list()} | {:error, :missing_scopes | :unsupported_scopes}
-  defp validate_scopes(%App{} = app, params, %User{} = user) do
+  defp validate_scopes(%App{} = app, params) do
     params
     |> Scopes.fetch_scopes(app.scopes)
-    |> Scopes.validate(app.scopes, user)
+    |> Scopes.validate(app.scopes)
   end
 
   def default_redirect_uri(%App{} = app) do

lib/pleroma/web/oauth/scopes.ex

@@ -8,7 +8,6 @@ defmodule Pleroma.Web.OAuth.Scopes do
   """
 
   alias Pleroma.Plugs.OAuthScopesPlug
-  alias Pleroma.User
 
   @doc """
   Fetch scopes from request params.
@@ -56,35 +55,18 @@ defmodule Pleroma.Web.OAuth.Scopes do
   @doc """
   Validates scopes.
   """
-  @spec validate(list() | nil, list(), User.t()) ::
+  @spec validate(list() | nil, list()) ::
           {:ok, list()} | {:error, :missing_scopes | :unsupported_scopes}
-  def validate(blank_scopes, _app_scopes, _user) when blank_scopes in [nil, []],
+  def validate(blank_scopes, _app_scopes) when blank_scopes in [nil, []],
     do: {:error, :missing_scopes}
 
-  def validate(scopes, app_scopes, %User{} = user) do
-    with {:ok, _} <- ensure_scopes_support(scopes, app_scopes),
-         {:ok, scopes} <- authorize_admin_scopes(scopes, app_scopes, user) do
-      {:ok, scopes}
-    end
-  end
-
-  defp ensure_scopes_support(scopes, app_scopes) do
+  def validate(scopes, app_scopes) do
     case OAuthScopesPlug.filter_descendants(scopes, app_scopes) do
       ^scopes -> {:ok, scopes}
       _ -> {:error, :unsupported_scopes}
     end
   end
 
-  defp authorize_admin_scopes(scopes, app_scopes, %User{} = user) do
-    if user.is_admin || !contains_admin_scopes?(scopes) || !contains_admin_scopes?(app_scopes) do
-      {:ok, scopes}
-    else
-      # Gracefully dropping admin scopes from requested scopes if user isn't an admin (not raising)
-      scopes = scopes -- OAuthScopesPlug.filter_descendants(scopes, ["admin"])
-      validate(scopes, app_scopes, user)
-    end
-  end
-
   def contains_admin_scopes?(scopes) do
     scopes
     |> OAuthScopesPlug.filter_descendants(["admin"])